question: take result of first read and use it to fetch additional data

import React from 'react';
import { compose } from 'redux';
import { connect } from 'react-redux';
import { firestoreConnect } from 'react-redux-firebase';

{ ... }

const mapStateToProps = state => {
    return {
        transactions: state.firestore.ordered.transactions,
    }
}

export default compose(
    connect(mapStateToProps),
    firestoreConnect([
        { collection: 'transactions', limit: 10, orderBy: ['createdAt', 'desc']}
    ]),
)(Listing);

What is the current behavior? I store uids of users inside of each transaction document with the intention of building a nested document for each transaction containing the transaction information and user information in one object per transaction. Is this possible and if so what approach would you recommend? Usually, when using sagas I would just resolve the document first then make a second read for the particular user document. Unsure how to do this with firestoreConnect though.

What is the expected behavior?

1. Get 10 most recent transactions
2. Each transaction contains a uid to a user in the /users/ collection
3. For each transaction, take that uid and merge the relevant user document into the transaction object

[prescottprue]

Population support was released as part of v0.6.0-alpha.3 (make sure to install from the next tag, not latest)

Here are the docs: https://github.com/prescottprue/redux-firestore/tree/next#population. It is basically a direct port over from react-redux-firebase, so the populate docs for that may be helpful

Seems like you are looking for something like:

import { firestoreConnect, populate } from 'react-redux-firebase'

const populates = [{ child: 'uid', root: 'users' }] // uid parameter from /users collection
const collection = 'transactions'

export default compose(
    firestoreConnect([
        { collection, limit: 10, orderBy: ['createdAt', 'desc'], populates }
    ]),
    connect((state) => ({
      transactions: populate(state.firestore, collection, populates)
    })),
)(Listing);

Let me know if it doesn’t work as expected and we can reopen

[iFallUpHill]

@prescottprue Works perfectly for me 😃